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Finding the Fourth Proportional to 140,675.37, 194,079.02 and 92,304

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Solution

The fourth proportional to 140,675.37, 194,079.02 and 92,304 is: 127,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,675.37 : 194,079.02 = 92,304 : x
  2. Step 2: Convert to fraction form
    140,675.37/194,079.02 = 92,304/x
  3. Step 3: Cross multiply
    140,675.37x = 194,079.02 × 92,304
  4. Step 4: Simplify right side
    140,675.37x = 17,914,269,400.56
  5. Step 5: Solve for x
    x = 17,914,269,400.56/140,675.37
  6. Step 6: Final answer
    x = 127,344.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.